Volume
1 acre-foot = 1 ac-ft = 1 acre of water x 1 foot deep = 43,560 x 1 = 43,560 ft3
1 ac-inch = 1 acre x 1 inch deep = 43,560 x 1/12 = 3,630 ft3
1 ft3 = 7.48 gallons
1 gallon H2O ~ 8.34 lbs.
Area Volume Runoff Volume Discharge Power
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